support mysql

[josephholsten]

mysql doesn't support the constraint in https://github.com/obfuscurity/descartes/blob/master/lib/descartes/migrations/006_AddGraphDashboardRelationConstraints.rb.

Any thoughts on how I can add this constraint to the app code so we can keep the feature and support mysql as well?

[damm]

:o descartes supports mysql? I didn't see that.

[obfuscurity]

What about it doesn't work? MySQL supports multi-column unique constraints afaik.

[damm]

Well the Sequel gem should support mysql as well.

[obfuscurity]

Yeah, it does. That's why we need more info.

[josephholsten]

Sequel works just fine, but MySQL doesn't like the index name that sequel uses to implement this constraint.

Further investigation showed me that MySQL supports compound unique constraints, so it's possible that this is a bug in sequel or that we're not passing enough info for it to choose a reasonable index name.

I'll dig in further.

On Jul 18, 2014, at 5:25, Jason Dixon [email protected] wrote:

Yeah, it does. That's why we need more info.

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